Patagonia bivy vest, great condition Our iconic Bivy Hooded Vest uses 100% recycled materials—inside and out. The hood and Western-style yoke are made of 100% recycled nylon Baggies™ fabric, the body is NetPlus® 100% postconsumer recycled nylon ripstop made from recycled fishing nets to help reduce ocean plastic pollution, and it's insulated with 600-fill-power 100% Recycled Down (duck and goose down reclaimed from down products). Made in a Fair Trade Certified™ factory.